ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter 0RCY-85T Series RoHS Compliant Isolated High Efficiency High Power Density Fixed Frequency (300 kHz) Low Cost Input Under Voltage Lockout Safety Approval to UL60950-1 (UL/cUL) Pre-Bias Start Up Rev.B Output Over Voltage Shutdown OCP/SCP Over Temperature Protection Remote On/Off Output Voltage Trim Positive/Negative Remote Sense Basic Insulation Pin Length (option) Description The 0RCY-85T Series are isolated dc/dc converters that operate from a nominal 48 Vdc source. These units provide up to 100 W of output power. These units are designed to be highly efficient and cost-effective. Features include remote on/off, short circuit protection, over current protection, over temperature protection, input under voltage lockout, and output over voltage protection. These converters are provided in a compact, 1/8 brick industry standard package. Part Selection Output Voltage 12.0 V Input Voltage 36 V - 75 V Max. Output Current 8.33 A Max. Output Power 100 W Typical Efficiency 91% Model Number Active High 0RCY-85T120 Model Number Active Low 0RCY-85T12L 5.0 V 36 V - 75 V 20 A 100 W 91% 0RCY-85T050 0RCY-85T05L 3.3 V 36 V - 75 V 25 A 85 W 90% 0RCY-85T033 0RCY-85T03L 2.5 V 36 V - 75 V 25 A 62.5 W 89% 0RCY-85T025 0RCY-85T02L 1.8 V 36 V - 75 V 25 A 45 W 88% 0RCY-85TV80 0RCY-85TV8L 1.5 V 36 V - 75 V 30 A 45 W 86% 0RCY-85TV50 0RCY-85TV5L 1.2 V 36 V - 75 V 30 A 36 W 84% 0RCY-85TV20 0RCY-85TV2L Notes: 1.Change the last character to "M" to indicate 0.18'' pin length and active low. 2. Add "G" suffix at the end of the model number to indicate Tray Packaging. 3. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. Absolute Maximum Ratings Parameter Min Typ Max -0.3 V - 80 V - - 100 V -0.3 V - 18 V - - 2000 V Ambient Temperature -40 C - 100 C Storage Temperature -55 C - 125 C Input Voltage (continuous) Input Voltage Transient Protection Remote On/Off I/O Isolation Voltage Notes Operating for 100mS Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Input Specifications Parameter Min Typ Max 36 V 48 V 75 V Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V - - 3.2 A 3.2 A 2.8 A 2.2 A 1.7 A 1.7 A 1.5 A Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V - 65 mA 65 mA 60 mA 55 mA 50 mA 40 mA 35 mA 6 mA 90 mA 90 mA 80 mA 75 mA 70 mA 60 mA 50 mA 12 mA Input Reflected Ripple Current (pk-pk) - 12 mA 24 mA Input Reflected Ripple Current (rms) - 2 mA 4 mA I t Inrush Current Transient - 0.01 A s 0.02 A s Turn-on Voltage Threshold 32 V 34 V 35 V Turn-off Voltage Threshold 30 V 32 V 33 V Input Voltage Notes Input Current (full load) Input Current (no load) Remote Off Input Current 2 2 Tested with simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 100 uF/100 V electrolytic capacitor with ESR = 1 ohm max. at 200 kHz at 25 C. 2 Output Specifications Parameter Output Voltage Set Point Min Typ Max 11.760 V 4.925 V 3.250 V 2.463 V 1.773 V 1.477 V 1.182 V 12.0 V 5.0 V 3.3 V 2.5 V 1.8 V 1.5 V 1.2 V 12.24 V 5.075 V 3.350 V 2.538 V 1.827 V 1.523 V 1.218 V VO=12.0 V-3.3 V VO=1.2 V-2.5 V - 2 mV 1 mV 5 mV 3 mV Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V - 8 mV 8 mV 6 mV 4 mV 3 mV 3 mV 2 mV 16 mV 16 mV 12 mV 8 mV 6 mV 6 mV 4 mV Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Line Regulation Load Regulation Notes Vin=48 V, Io=50% full load, Ta=25 C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Output Specifications (continued) Parameter Regulation Over Temperature (-40 C to +85 C) Min Typ Max Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V - 50 mV 50 mV 20 mV 15 mV 15 mV 10 mV 10 mV 75 mV 75 mV 40 mV 30 mV 30 mV 20 mV 20 mV Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V 0A 0A 0A 0A 0A 0A 0A - 8.33 A 20 A 25 A 25 A 25 A 30 A 30 A Vo=12.0 V Vo=5.0 V Vo=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V 10 A 23 A 30 A 27 A 27 A 32 A 32 A - 13 A 29 A 36 A 33 A 33 A 36 A 36 A 2 3A s 16 A 35 A 42 A 40 A 40 A 45 A 45 A 2 5A s VO=12.0 V VO=5.0 V VO=1.2 V-3.3 V - 30 mV 25 mV 15 mV 50 mV 50 mV 30 mV VO=12.0 V VO=5.0 V VO=3.3 V VO=1.2 V-2.5 V - 100 mV 80 mV 45 mV 40 mV 0% 150 mV 120 mV 90 mV 80 mV 30 mS 5% VO=12.0 V VO=5.0 V VO=1.2 V- 3.3 V 0 uF 0 uF 0 uF - 1000 uF 10000 uF 20000 uF Notes Output Current Current Limit Threshold Short Circuit Surge Transient Ripple and Noise (rms) Ripple and Noise (pk-pk) Turn on Time Overshoot at Turn on Output Capacitance Transient Response Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time VO=12.0 V VO=5.0 V VO=3.3 V - 300 mV 200 uS 300 mV 200 uS 200 mV 200 uS 200 mV 200 uS 150 mV 200 uS 150 mV 200 uS 400 mV 300 uS 400 mV 300 uS 300 mV 300 uS 300 mV 300 uS 200 mV 300 uS 200 mV 300 uS Test conditions: 0-20 MHz BW, with a 1 uF ceramic capacitor and a 10 uF Tantalum capacitor at the output. Test conditions: di/dt = 0.1 A/uS, Vin=48 V, with a 1 uF ceramic capacitor and a 10 uF Tantalum capacitor at the output. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Output Specifications (continued) Parameter Transient Response Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time Min VO=2.5 V VO=1.8 V VO=1.5 V VO=1.2 V - Typ 150 mV 150 uS 150 mV 150 uS 140 mV 150 uS 140 mV 150 uS 130 mV 150 uS 130 mV 150 uS 120 mV 150 uS 120 mV 150 uS Max 200 mV 200 uS 200 mV 200 uS 170 mV 200 uS 170 mV 200 uS 150 mV 200 uS 150 mV 200 uS 140 mV 200 uS 140 mV 200 uS Notes Test conditions: di/dt = 0.1 A/uS, Vin=48 V, with a 1 uF ceramic capacitor and a 10 uF Tantalum capacitor at the output. Note: All specifications are typical at 25 C unless otherwise stated. General Specifications Parameter Min Typ Max 88% 88% 87% 86% 85% 83% 81% 270 kHz - 91% 91% 90% 89% 88% 86% 84% 300 kHz 1500 pF 330 kHz - 80% Vo 90% Vo - 125 C 130% Vo 110% Vo 110% Vo 10% - - - 4.0 V 1.4 V 2.0 V 1.4 V 1.2 V 0.9 V Notes Efficiency VO=12.0 V VO=5.0 V VO=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V Switching Frequency Isolation capacitance Output Voltage Trim Range VO=1.5 V-12 V VO=1.2 V Remote Sense Over Temperature Protection Over Voltage Protection Pre-bias Voltage VO=5.0 V VO=3.3 V Vo=2.5 V Vo=1.8 V Vo=1.5 V Vo=1.2 V MTBF Vin=48V, Io=Io, max The total voltage increased by trim and remote sense should not exceed 10%Vo. Vin=48V, full load, in hiccup mode. Calculated Per Bell Core SR-332 (Vin=48 V, Vo=3.3 V, Io=20 A, Ta = 25 C) 1,583,176 hours Dimensions Inches (L x W x H) Millimeters (L x W x H) Weight 2.30 x 0.896 x 0.395 58.42 x 22.76 x 10.03 - 27 g - Note: All specifications are typical at 25 C unless otherwise stated. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Control Specifications Parameter Min Typ Max -0.3 V - 0.8 V 2.4 V - 18 V -0.3 V - 0.8 V Signal High (Unit On) 2.4 V - 18 V Current Sink 0 mA - 0.75 mA Notes Remote On/Off Signal Low (Unit On) Active Low Signal High (Unit Off) Signal Low (Unit Off) Active High 0RCY-85TxxL. The remote on/off pin open, Unit off. 0RCY-85Txx0. The remote on/off pin open, Unit on. Output Trim Equations Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and Ground pin. The Trim Up resistor should be connected between the Trim pin and the Vout. Only one of the resistors should be used for any given application. 511 Rtrim down 10.22k delta Vout Module Trim Rtrim-down Vo=1.5 V-12 V: Rtrim up GND (100 delta ) Vo 5.11 626 10.22k 1.225 delta Vout Rtrim-up Module Vo=1.2 V: Rtrim up Notes: delta (100 delta ) Vo 5.11 313 10.22k 0.6125 delta Trim GND Vo _ req Vo 100 % Vo Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=1.202 V for 1.2 V output; Vo=1.503 V for 1.5 V output; Vo=1.804 V for 1.8 V; Vo=2.505 V for 2.5 V output; Vo=3.308 V for 3.3 V output; Vo=5.000 V for 5.0 V; Vo=12.000 V for 12 V output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Efficiency Data 0RCY-85T05x EFFICIENCY CURVE 0RCY-85T12x EFFICIENCY CURVE 94% 94% 90% 36V 48V 75V 86% EFFICIENCY EFFICIENCY 90% 82% 78% 74% 36V 48V 75V 86% 82% 78% 74% 70% 70% 1.60 3.20 4.80 6.00 7.20 8.33 4 8 OUTPUT CURRENT (A) 0RCY-85T03x EFFICIENCY CURVE 16 20 0RCY-85T02x EFFICIENCY CURVE 90% 90% 36V 48V 75V 82% 86% EFFICIENCY 86% EFFICIENCY 12 OUTPUT CURRENT (A) 78% 36V 48V 75V 82% 78% 74% 74% 70% 70% 5 10 15 20 5 25 10 15 20 25 OUTPUT CURRENT (A) OUTPUT CURRENT (A) 0RCY-85TV5x EFFICIENCY CURVE 0RCY-85TV8x EFFICIENCY CURVE 88% 88% 84% 36V 48V 75V 80% 76% EFFICIENCY EFFICIENCY 84% 72% 76% 72% 68% 68% 64% 64% 60% 36V 48V 75V 80% 60% 5 10 15 20 25 6 12 OUTPUT CURRENT (A) 18 24 30 OUTPUT CURRENT (A) 0RCY-85TV2x EFFICIENCY CURVE 88% 84% 36V 48V 75V EFFICIENCY 80% 76% 72% 68% 64% 60% 6 12 18 24 30 OUTPUT CURRENT (A) Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Thermal Derating Curves Vin=48V, with maximum junction temperature of semiconductors derated to 120 degree C. 0RCY-85T12x 0RCY-85T05x 0RCY-85T02x 0RCY-85T03x 0RCY-85TV8x Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Thermal Derating Curves (continued) 0RCY-85TV5x 0RCY-85TV2x Thermal Reference Note: TH1 and TH2 are hot spots which should not exceed 118 degree C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Ripple and Noise Waveforms Ripple and noise at max load 12 Vdc/8.33 A output Ripple and noise at max load 5.0 Vdc/20 A output Ripple and noise at max load 3.3 Vdc/25 A output Ripple and noise at max load 2.5 Vdc/25 A output Ripple and noise at max load 1.8 Vdc/25 A output Ripple and noise at max load 1.5 Vdc/30 A output . Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Ripple and Noise Waveforms (continued) Ripple and noise at max load 1.2 Vdc/30 A output Note: Ripple and Noise at 48 V input, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output, and Ta=25 deg C Transient Response Waveforms Transients 50% to 25% load 12 Vdc output Transients 25% to 50% load 12 Vdc output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Transient Response Waveforms (continued) Transients 50% to 25% load 5.0 Vdc output Transients 25% to 50% load 5.0 Vdc output Transients 50% to 25% load 3.3 Vdc output Transients 25% to 50% load 3.3 Vdc output Transients 50% to 25% load 2.5 Vdc output Transients 25% to 50% load 2.5 Vdc output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Converter Transient Response Waveforms (continued) Transients 50% to 25% load 1.8 Vdc output Transients 25% to 50% load 1.8 Vdc output Transients 50% to 25% load 1.5 Vdc output Transients 25% to 50% load 1.5 Vdc output Transients 50% to 25% load 1.2 Vdc output Transients 25% to 50% load 1.2 Vdc output Note: Transient response at 48 V input, di/dt=0.1 A/uS, with external 10 uF tantalum cap and 1 uF ceramic cap at the output, Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 1.2 Vdc - 12 Vdc / 8.33 A - 30 A Output, 1/8 Brick Mechanical Outline Pin Connections Pin Function Pin Dia 1 Vin+ 0.040'' 2 Remote On/Off 0.040'' 3 Vin- 0.040'' 4 Vout- 0.062'' 5 Sense- 0.040'' 6 Trim 0.040'' 7 Sense+ 0.040'' 8 Vout+ 0.062'' RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. 2009 Bel Fuse Inc. Specifications subject to change without notice. 052609 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com